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PERC 5/i RAID Card: Tips and Benchmarks - Page 687

post #6861 of 7178
Quote:
Originally Posted by Lailainoob View Post

Does anyone know how to bring a missing drive back online?

There is no way to tell the controller to just use dropped drive without rebuilding array - not after the array was in use.
Quote:
Originally Posted by Lailainoob 
And also my RAID seems to randomly fail at times, after an extended period of time being online.

Are those drives regular SATA drives or SAS server drives ?
If SATA - there is nothing you can do - unless you have WD drives and you can enable TLER option.
IF SAS drives are dropped frequently - then maybe they are too old ?
post #6862 of 7178
Quote:
Originally Posted by RobiNet View Post

There is no way to tell the controller to just use dropped drive without rebuilding array - not after the array was in use.
Are those drives regular SATA drives or SAS server drives ?
If SATA - there is nothing you can do - unless you have WD drives and you can enable TLER option.
IF SAS drives are dropped frequently - then maybe they are too old ?

They are SATA III drives by Seagate. More specifically they are the barracuda 7200 rpm series.
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post #6863 of 7178
Running a Perc 5/i on my Windows 2012 server at home.

The problem i'm running in to is the server uses uefi (no bios on the board, just uefi) so i'm unable to boot to dos to flash firmware on the perc.

Any1 know of a solution to flash the latest firmware?
From windows the flasher states it's flashing but no firmware is written to the card...
post #6864 of 7178
Quote:
Originally Posted by tmaniac View Post

Running a Perc 5/i on my Windows 2012 server at home.

The problem i'm running in to is the server uses uefi (no bios on the board, just uefi) so i'm unable to boot to dos to flash firmware on the perc.

Any1 know of a solution to flash the latest firmware?
From windows the flasher states it's flashing but no firmware is written to the card...

There is seriously no legacy mode in the bios at all?
   
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post #6865 of 7178
Is it possible to do online raid expansion with the Megaraid utility if I flashed the LSI firmware? I need to add a couple drives and don't want to mess with a backup and restore. I assume I may need to use megacli?
post #6866 of 7178
Quote:
Originally Posted by Lailainoob View Post

They are SATA III drives by Seagate. More specifically they are the barracuda 7200 rpm series.

Those are normal SATA drives and thus lack TLER. They will continue to be dropped by the controller for as long as you use them on it. This is not a flaw with the controller, it's a problem with -MOST- SATA hard drives. If you want long-term stable raid5+ out of a normal SATA Drive, you'll need WD red's, or blacks with TLER support.

There's no other way around it, your hard drives do not have the supported option in the firmware level and there's no way to add it.

In general, these drives aren't designed to function in RAID5+ (By Seagate) and will not function in raid5+

It's also called Error Recovery Control or ERC http://en.wikipedia.org/wiki/Error_recovery_control

So far I've been fortunate to use WD Blue drives in raid5 on my PERC5 and I've had no issues for over a year. Other people have used 2TB WD RED drives on these cards (up to 8 of em) with no problems too, earlier in this thread.
Quote:
Originally Posted by joe0121 View Post

Is it possible to do online raid expansion with the Megaraid utility if I flashed the LSI firmware? I need to add a couple drives and don't want to mess with a backup and restore. I assume I may need to use megacli?

Personally I've done online expansion on my PERC 5/i using the windows MegaRaid program, while flashed to LSI firmware and it worked for me. But you should -always- do a full backup of all array data before making any significant changes to the array configuration. If something goes bad, and you lose data, no one can help you but you.
Edited by kithylin - 4/12/14 at 8:07am
post #6867 of 7178
Hi Guys. A few years ago I followed this guide and purchased a PERC 6/i and run a 5 x 1TB RAID 5 array that has been flawless. I am now out of space and realize the PERC 6/i can not handle 4TB drives.

I want to purchase 4 x 4 TB drives to run probably a RAID 10 array. Should I purchase the Dell H710 raid card to do this? Can I run 2 arrays from that card and move my current 5 x 1 TB RAID 5 for the Dell H710 card? If I have to I can move all of the data and create it from scratch again.

What I am asking is if the Dell H710 and can handle 9 drives with 2 arrays (a 5x1 TB RAID 5 and a 4x4TB RAID 10.) What is the max number of drives the H710 can support? What cable do I need?

Thanks.

Thinking of getting 4 of these: http://www.amazon.com/Seagate-Desktop-3-5-Inch-Internal-ST4000DM000/dp/B00B99JU4S/ref=sr_1_1?s=pc&ie=UTF8&qid=1397330875&sr=1-1&keywords=4tb+hard+drive

and this

http://www.ebay.com/itm/Dell-PERC-H710-RAID-Controller-512MB-NV-Cache-w-battery-Full-Height-PCIe-NHD8V-/141230729924



If you guys think any of this is a dumb idea or I am missing something here that is just as good performance for the dollar please let me know. I just need massive hard drive storage, but don't want to lose it all if a drive dies. Thanks
Edited by Groto - 4/12/14 at 12:46pm
post #6868 of 7178
Quote:
Originally Posted by Groto View Post

What I am asking is if the Dell H710 and can handle 9 drives with 2 arrays (a 5x1 TB RAID 5 and a 4x4TB RAID 10.) What is the max number of drives the H710 can support? What cable do I need?

No, you can'T (sorry, typo) connect 9 drives at once - only max. 8.
If you want to connect more drives - you need to use SAS Expander - or if you just need to move data - you can put both cards together smile.gif move your data and then remove 6/i.
Edited by RobiNet - 4/12/14 at 4:31pm
post #6869 of 7178
By no do you mean no to 2 arrays? Also I can only connect 8 without a SAS expander? thanks
post #6870 of 7178
You can have 2 arrays on a 1 controller card, given that they (arrays) span no more than 8 disks in total.
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